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Eriobotrya Belongs to Rhaphiolepis (Maleae, Rosaceae): Evidence From Chloroplast Genome and Nuclear Ribosomal DNA Data
Liu, Bin-Bin; Liu, Guang-Ning; Hong, De-Yuan; Wen, Jun1
AbstractThe Eriobotrya-Rhaphiolepis (ER) clade consists of about 46 species distributed in East and Southeast Asia. Although Eriobotrya and Rhaphiolepis have been supported to form a clade, the monophyly of Eriobotrya and Rhaphiolepis at the genus level has never been well tested and their phylogenetic positions in Maleae still remain uncertain. This study aims to reconstruct a robust phylogeny of the ER clade in the framework of Maleae with a broad taxon sampling and clarify the phylogenetic relationship between Eriobotrya and Rhaphiolepis. This study employed sequences of the whole plastome (WP) and entire nuclear ribosomal DNA (nrDNA) repeats assembled from the genome skimming approach and included 83 samples representing 76 species in 32 genera of Rosaceae, especially Maleae. The Maximum Likelihood (ML) and Bayesian Analysis (BI) based on three datasets, i.e., WP, coding sequences of plastome (CDS), and nrDNA, strongly supported the paraphyly of Eriobotrya, within which Rhaphiolepis was nested. Our plastid tree supported the sister relationship between the ER clade and Heteromeles, and the nrDNA tree, however, did not resolve the phylogenetic placement of the ER clade in Maleae. Strong incongruence between the plastid and the nuclear trees is most likely explained by hybridization events, which may have played an important role in the evolutionary history of the ER clade. Molecular, morphological, and geographic evidence all supports the merge of Eriobotrya with Rhaphiolepis, which has the nomenclatural priority. We herein transferred 36 taxa of Eriobotrya to Rhaphiolepis. We also proposed a new name, Rhaphiolepis loquata B.B.Liu & J.Wen, for the economically important loquat, as the specific epithet japonica was pre-occupied in Rhaphiolepis.
Keywordchloroplast genome Eriobotrya hybridization Maleae nrDNA Rhaphiolepis Rosaceae
Subject AreaPlant Sciences
Indexed BySCI
WOS Research AreaPlant Sciences
WOS IDWOS:000517224100001
Publication PlaceLAUSANNE
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31620103902]
Corresponding Author Emailwenj@si.edu
OAgold, Green Published
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Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.[Liu, Bin-Bin
2.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China
3.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20560 USA
4.Tongji Univ, Coll Architecture & Urban Planning, Shanghai, Peoples R China
Recommended Citation
GB/T 7714
Liu, Bin-Bin,Liu, Guang-Ning,Hong, De-Yuan,et al. Eriobotrya Belongs to Rhaphiolepis (Maleae, Rosaceae): Evidence From Chloroplast Genome and Nuclear Ribosomal DNA Data[J]. FRONTIERS IN PLANT SCIENCE,2020,10.
APA Liu, Bin-Bin,Liu, Guang-Ning,Hong, De-Yuan,&Wen, Jun.(2020).Eriobotrya Belongs to Rhaphiolepis (Maleae, Rosaceae): Evidence From Chloroplast Genome and Nuclear Ribosomal DNA Data.FRONTIERS IN PLANT SCIENCE,10.
MLA Liu, Bin-Bin,et al."Eriobotrya Belongs to Rhaphiolepis (Maleae, Rosaceae): Evidence From Chloroplast Genome and Nuclear Ribosomal DNA Data".FRONTIERS IN PLANT SCIENCE 10(2020).
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